X-ray absorption spectral studies on the anion-selectivity of a ruthenium(II) polypyridine complex-impregnated polymer ultrathin film

Shuji Matsuo, Sunao Yamada, Taku Matsuo, Hisanobu Wakita

Research output: Contribution to journalArticle

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Abstract

The anion-selectivity of the surface of a polymer ultrathin film incorporating an amphiphilic ruthenium(II) polypyridine complex with diperchlorate was examined using X-ray absorption spectroscopy with the total electron-yield method. The adsorbed species on the film surface were found to depend on the chemical composition in water where the film was prepared. By combining the X-ray absorption spectra with a molecular-orbital calculation, the molar ratio (MClO4/MRu) between the ClO4 - ions and the Ru head group on the film surface could be semi-quantitatively analyzed; it was 0.88 for a film prepared on fresh water, and 1.4 for one prepared on old water.

Original languageEnglish
Pages (from-to)927-930
Number of pages4
Journalanalytical sciences
Volume18
Issue number8
DOIs
Publication statusPublished - Aug 1 2002

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Ruthenium
Ultrathin films
X ray absorption
Polymer films
Anions
Water
Orbital calculations
X ray absorption spectroscopy
Molecular orbitals
Absorption spectra
Ions
Electrons
Chemical analysis

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry

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X-ray absorption spectral studies on the anion-selectivity of a ruthenium(II) polypyridine complex-impregnated polymer ultrathin film. / Matsuo, Shuji; Yamada, Sunao; Matsuo, Taku; Wakita, Hisanobu.

In: analytical sciences, Vol. 18, No. 8, 01.08.2002, p. 927-930.

Research output: Contribution to journalArticle

Matsuo, Shuji ; Yamada, Sunao ; Matsuo, Taku ; Wakita, Hisanobu. / X-ray absorption spectral studies on the anion-selectivity of a ruthenium(II) polypyridine complex-impregnated polymer ultrathin film. In: analytical sciences. 2002 ; Vol. 18, No. 8. pp. 927-930.
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